identify vertex and y -intercept of graph of function translated 2 units left 3 units up from parent function f(x) =-x^2

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Graph the equationy= x+3[tex]y = x + 3[/tex]